[receiver/datadog] Implement support for span links #37449
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lopes-felipe
requested review from
MovieStoreGuy,
a team,
andrzej-stencel and
crobert-1
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Description
Currently, there is no way to create Span Links from Datadog spans through the Datadog receiver.
This implements support for Span Links via DD tracing library's own attribute (_dd.span_links).
The payload format is also the same adopted by the tracing library and the agent
It also exposes two unmarshaling
pkg/translator/zipkin's operations, in order to avoid code duplication.Link to tracking issue
Fixes
Testing
Documentation